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OpenStudy (anonymous):
Given the equation x = 3, solve for x and identify if it is an extraneous solution I know the answer is x=4 but i don't understand what extraneous & non extraneous is.
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OpenStudy (agent0smith):
There is no equation...
OpenStudy (anonymous):
what does extraneous mean ?
OpenStudy (agent0smith):
Not valid solutions... they won't work when you plug them into the original equation.
OpenStudy (anonymous):
ok so non-extraneous is when you plug it in and it is equal ?
OpenStudy (agent0smith):
Yep.
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OpenStudy (anonymous):
thank you
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